Pneumonia Case by Caused Comamonas Testosteroni in Pediatric Intensive Care Unit

Çetin, Şerife; Baslarlı, Serpil; Çelik, Binnaz; Çelik, İ̇lhami

doi:10.14744/ejmo.2018.73745

Cited by 2 publications

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“…In the present study C. testosteroni was sensitive to all antimicrobials, which is supported by sensitivity patterns in clinical cases of human infection [ 155 , 156 , 157 ]. However, resistance to some commonly used antimicrobials has recently been observed [ 146 , 147 , 156 , 158 ] in human clinical cases and the high RR of contamination on the outer surface of imported edible Sp. A may require further attention.…”

Section: Discussionmentioning

confidence: 99%

Bacteria of Zoonotic Interest Identified on Edible Freshwater Fish Imported to Australia

Williams

Shamsi

Williams

et al. 2023

Foods

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Previous research has shown that freshwater edible fish imported into Australia are not compliant with Australian importation guidelines and as a result may be high risk for bacterial contamination. In the present study, the outer surface of imported freshwater fish were swabbed, cultured, confirmatory tests performed and antimicrobial patterns investigated. Channidae fish (Sp. A/n = 66) were contaminated with zoonotic Salmonella sp./Staphylococcus aureus (n = 1/66) and other bacteria implicated in cases of opportunistic human infection, these being Pseudomonas sp. (including P. mendocina and P. pseudoalcaligenes (n = 34/66)); Micrococcus sp. (n = 32/66); Comamonas testosteroni (n = 27/66) and Rhizobium radiobacter (n = 3/66). Pangasiidae fish (Species B/n = 47) were contaminated with zoonotic Vibrio fluvialis (n = 10/47); Salmonella sp. (n = 6/47) and environmental bacteria Micrococcus sp. (n = 3/47). One sample was resistant to all antimicrobials tested and is considered to be Methicillin Resistant S. aureus. Mud, natural diet, or vegetation identified in Sp. A fish/or packaging were significantly associated with the presence of Pseudomonas spp. The study also showed that visibly clean fish (Sp. B) may harbour zoonotic bacteria and that certain types of bacteria are common to fish groups, preparations, and contaminants. Further investigations are required to support the development of appropriate food safety recommendations in Australia.

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Section: Discussionmentioning

confidence: 99%

Bacteria of Zoonotic Interest Identified on Edible Freshwater Fish Imported to Australia

Williams

Shamsi

Williams

et al. 2023

Foods

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“…The patient died on the 16th day, despite suitable treatments against these pathogens. The last reported instance of death due to C. testosteroni infection was reported in 2018 by Cetin et al A 10-year-old boy with serious underlying conditions (cerebral palsy, scoliosis, and long-term support with home mechanical ventilation) was diagnosed with pneumonia due to C testosteroni infection [58]. The patient was treated with appropriate antimicrobial therapy, and after 21 days of treatment infection was cured but due to the patient's poor health conditions, he died on day 50 of hospitalization.…”

Section: Death Associated With Comamonas Spp Infectionmentioning

confidence: 99%

The Emergence of the Genus Comamonas as Important Opportunistic Pathogens

et al. 2022

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Comamonas spp. are non-fermenting Gram-negative bacilli. They were first discovered in 1894, and since then, twenty-four species have been characterized. The natural habitat of these bacteria is soil, wastewater/sludge, fresh water such as ponds and rivers, and the animal intestinal microbiome. They were also isolated from industrial settings, such as activated sludge and polluted soil, and from the hospital environment and clinical samples, such as urine, pus, blood, feces, and kidney. Comamonas spp. are associated with environmental bioremediation and are considered an important environmental bacterium rather than a human pathogen. However, in the 1980s, they became a concern when several human infections associated with these species were reported. Here, the Comamonas genus was examined in terms of its members, identification techniques, and pathogenicity. Seventy-seven infection cases associated with these microorganisms that have been discussed in the literature were identified and investigated in this project. All relevant information regarding year of infection, country of origin, patient information such as age, sex, underlying medical conditions if any, type of infection caused by the Comamonas species, antibiotic susceptibility testing, treatment, and outcomes for the patient were extracted from case reports. The findings suggest that even though Comamonas spp. are thought of as being of low virulence, they have caused harmful health conditions in many healthy individuals and even death in patients with underlying conditions. Antimicrobial treatment of infections associated with these species, in general, was not very difficult; however, it can become an issue in the future because some strains are already resistant to different classes of antibiotics. Therefore, these pathogens should be considered of such importance that they should be included in the hospital screening programs.

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Pneumonia Case by Caused Comamonas Testosteroni in Pediatric Intensive Care Unit

Cited by 2 publications

References 0 publications

Bacteria of Zoonotic Interest Identified on Edible Freshwater Fish Imported to Australia

Bacteria of Zoonotic Interest Identified on Edible Freshwater Fish Imported to Australia

The Emergence of the Genus Comamonas as Important Opportunistic Pathogens

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